130. If cell s of the thyroid gland formed a cancerous tumor, one abnormal blood
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130. If cell s of the thyroid gland formed a cancerous tumor, one abnormal blood finding might be a. increased levels of thyroxine, but normal T b. increased levels of thyroid stimulating hormone (TSH) c. low levels of thyro-releasing hormone (TRH) from the hypothalamus and low levels of thyroid releasing homone (TSH) from the anterior pituitary gland d. low levels of T, and T 131. Gonadal and adrenal cortical hormones are produced from the chemical precursor a. tyrosine b. cholesterol c. protein d. DNA 132 At the time of fertilization HCG is being produced the corpus luteum is no longer an endocrine structure the endometrium of the uterus is maintained by ovarian hormones Estrogen is at its peak GnRH is at its highest level a. b. c. d. e. 133 Spermiogenesis is a. the final stage of meiosis for male gametes b, the reduction of chromosome number to 23 c. the differentiation of spermatids to spermatozoa d. the stage that occurs in the female reproductive system e. achieved in the membranous urethra 134 Target cells for FSH are a. b. c. d. cells of the endometrium sustentacular cells of Sertoli ovarian follicular cells all of the above Ovulation of an ovum a. Stops all hormone production in the ovary b. Is stimulated by a peak of LH from the anterior pituitary gland c. Triggers meiosis in the primary oocyte d. Results from a surge of progesterone from the ovary 135 Which of the following aspects of the female reproductive system is NOT present to help move the oocyte into and through the fallopian tubes a. Peristalsis of the smooth muscle of the uterine tube b. Cilia on the cells lining the uterine tube c. Flagella on the oocyte d. Fimbriae at the ends of the uterine tubes 136 PB. 18Explanation / Answer
130. Levels of TSH made by the pituitary gland may be high if the thyroid is not making enough hormones.
131. All the steroid hormones including gonadal and adrenal hormones are derived from cholesterol.
132. At the time of fertilization, the hormones released from corpus luteum that helps thicken the lining of your uterus getting it ready for the egg.
133. Spermiogenesis is the final stage of spermatogenesis which sees the maturation of spermatids into mature, motile spermatozoa.
134. The target tissue of FSH in males are Sertoli cells and in the females the granulosa cells of the ovary.
135. Ovulation is the release of eggs from the ovaries, in this event when the follicles rupture and release the secondary oocyte ovarian cells. During this process, a surge of LH is produced from the anterior pituitary gland.
136. In the uterine tube, the epithelium contains ciliated simple columnar cells which function as a ciliary conveyor belt to help move fertilized ovum. The corona radiate of the ovulated oocyte serves as a rough surface around the secondary oocyte. Peristaltic contractions of the muscularis and the ciliary action of the mucosa help move the oocyte or fertilized ovum toward the uterus.
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